-/*
- * tramp-ppc.c: JIT trampoline code for PowerPC
+/**
+ * \file
+ * JIT trampoline code for PowerPC
*
* Authors:
* Dietmar Maurer (dietmar@ximian.com)
/*g_print ("unbox trampoline at %d for %s:%s\n", this_pos, m->klass->name, m->name);
g_print ("unbox code is at %p for method at %p\n", start, addr);*/
+ mono_tramp_info_register (mono_tramp_info_create (NULL, start, code - start, NULL, NULL), domain);
+
return start;
}
/*
* mono_arch_get_static_rgctx_trampoline:
*
- * Create a trampoline which sets RGCTX_REG to MRGCTX, then jumps to ADDR.
+ * Create a trampoline which sets RGCTX_REG to ARG, then jumps to ADDR.
*/
gpointer
-mono_arch_get_static_rgctx_trampoline (MonoMethod *m, MonoMethodRuntimeGenericContext *mrgctx, gpointer addr)
+mono_arch_get_static_rgctx_trampoline (gpointer arg, gpointer addr)
{
guint8 *code, *start, *p;
guint8 imm_buf [128];
addr = mono_get_addr_from_ftnptr (addr);
- /* Compute size of code needed to emit mrgctx */
+ /* Compute size of code needed to emit the arg */
p = imm_buf;
- ppc_load_ptr (p, MONO_ARCH_RGCTX_REG, mrgctx);
+ ppc_load_ptr (p, MONO_ARCH_RGCTX_REG, arg);
imm_size = p - imm_buf;
mono_domain_lock (domain);
mono_domain_unlock (domain);
if (short_branch) {
- ppc_load_ptr (code, MONO_ARCH_RGCTX_REG, mrgctx);
+ ppc_load_ptr (code, MONO_ARCH_RGCTX_REG, arg);
ppc_emit32 (code, short_branch);
} else {
ppc_load_ptr (code, ppc_r0, addr);
ppc_mtctr (code, ppc_r0);
- ppc_load_ptr (code, MONO_ARCH_RGCTX_REG, mrgctx);
+ ppc_load_ptr (code, MONO_ARCH_RGCTX_REG, arg);
ppc_bcctr (code, 20, 0);
}
mono_arch_flush_icache (start, code - start);
g_assert ((code - start) <= size);
+ mono_tramp_info_register (mono_tramp_info_create (NULL, start, code - start, NULL, NULL), domain);
+
return start;
}
*(guint8**)((guint8*)got + offset) = addr;
}
-void
-mono_arch_nullify_class_init_trampoline (guint8 *code, mgreg_t *regs)
-{
- mono_arch_patch_callsite (NULL, code, mini_get_nullified_class_init_trampoline ());
-}
-
/* Stack size for trampoline function
* PPC_MINIMAL_STACK_SIZE + 16 (args + alignment to ppc_magic_trampoline)
* + MonoLMF + 14 fp regs + 13 gregs + alignment
ppc_ldr (code, ppc_r4, STACK + PPC_RET_ADDR_OFFSET, ppc_r1);
/* Arg 3: trampoline argument */
- if (tramp_type == MONO_TRAMPOLINE_GENERIC_CLASS_INIT)
- ppc_ldr (code, ppc_r5, GREGS_OFFSET + MONO_ARCH_VTABLE_REG * sizeof (mgreg_t), ppc_r1);
- else
- ppc_ldr (code, ppc_r5, GREGS_OFFSET, ppc_r1);
+ ppc_ldr (code, ppc_r5, GREGS_OFFSET, ppc_r1);
if (aot) {
code = mono_arch_emit_load_aotconst (buf, code, &ji, MONO_PATCH_INFO_JIT_ICALL_ADDR, g_strdup_printf ("trampoline_func_%d", tramp_type));
gpointer
mono_arch_create_rgctx_lazy_fetch_trampoline (guint32 slot, MonoTrampInfo **info, gboolean aot)
{
-#ifdef MONO_ARCH_VTABLE_REG
guint8 *tramp;
guint8 *code, *buf;
guint8 **rgctx_null_jumps;
*info = mono_tramp_info_create (name, buf, code - buf, ji, unwind_ops);
g_free (name);
- return buf;
-#else
- g_assert_not_reached ();
-#endif
-}
-
-gpointer
-mono_arch_create_generic_class_init_trampoline (MonoTrampInfo **info, gboolean aot)
-{
- guint8 *tramp;
- guint8 *code, *buf;
- static int byte_offset = -1;
- static guint8 bitmask;
- guint8 *jump;
- int tramp_size;
- GSList *unwind_ops = NULL;
- MonoJumpInfo *ji = NULL;
-
- tramp_size = MONO_PPC_32_64_CASE (32, 44);
- if (aot)
- tramp_size += 32;
-
- code = buf = mono_global_codeman_reserve (tramp_size);
-
- if (byte_offset < 0)
- mono_marshal_find_bitfield_offset (MonoVTable, initialized, &byte_offset, &bitmask);
-
- ppc_lbz (code, ppc_r4, byte_offset, MONO_ARCH_VTABLE_REG);
- ppc_andid (code, ppc_r4, ppc_r4, bitmask);
- jump = code;
- ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
-
- ppc_blr (code);
-
- ppc_patch (jump, code);
-
- if (aot) {
- code = mono_arch_emit_load_aotconst (buf, code, &ji, MONO_PATCH_INFO_JIT_ICALL_ADDR, "specific_trampoline_generic_class_init");
- /* Branch to the trampoline */
-#ifdef PPC_USES_FUNCTION_DESCRIPTOR
- ppc_ldptr (code, ppc_r12, 0, ppc_r12);
-#endif
- ppc_mtctr (code, ppc_r12);
- ppc_bcctr (code, PPC_BR_ALWAYS, 0);
- } else {
- tramp = mono_arch_create_specific_trampoline (NULL, MONO_TRAMPOLINE_GENERIC_CLASS_INIT,
- mono_get_root_domain (), NULL);
-
- /* jump to the actual trampoline */
- code = emit_trampoline_jump (code, tramp);
- }
-
- mono_arch_flush_icache (buf, code - buf);
-
- g_assert (code - buf <= tramp_size);
-
- *info = mono_tramp_info_create ("generic_class_init_trampoline", buf, code - buf, ji, unwind_ops);
-
- return buf;
-}
-
-gpointer
-mono_arch_get_nullified_class_init_trampoline (MonoTrampInfo **info)
-{
- guint8 *code, *buf;
- guint32 tramp_size = 64;
-
- code = buf = mono_global_codeman_reserve (tramp_size);
- ppc_blr (code);
-
- mono_arch_flush_icache (buf, code - buf);
-
- g_assert (code - buf <= tramp_size);
-
- *info = mono_tramp_info_create ("nullified_class_init_trampoline", buf, code - buf, NULL, NULL);
-
return buf;
}
return ((guint32*)plt_entry) [6];
#endif
}
+
+gpointer
+mono_arch_get_enter_icall_trampoline (MonoTrampInfo **info)
+{
+ g_assert_not_reached ();
+ return NULL;
+}
projects / mono.git / blobdiff